(19)

(11)

EP 1 278 992 A1

(12)

(43) Date of publication: 29.01.2003 Bulletin 2003/05 (21) Application number: 01927289.7 (22) Date of filing: 23.04.2001

(51) International Patent Classification (IPC)7: F23L 15/02, F28D 19/04 (86) International application number: PCT/US0113/017 (87) International publication number: WO 0108/6209 (15.11.2001 Gazette 2001/46)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 05.05.2000 US 565964 (71) Applicant: Alstom (Switzerland) Ltd 5401 Baden (CH)	(72) Inventor: FIERLE, Kurt, M. Wellsville, NY 14895 (US) (74) Representative: Hellwig, Tillmann, Dr. et al Dreiss, Fuhlendorf, Steimle & BeckerPatentanwälte,Postfach 103762 70032 Stuttgart 70032 Stuttgart (DE)